19675404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 57308160

約数和(自身を除く): 37632756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 163, 252, 326, 479, 489, 652, 958, 978, 1141, 1437, 1467, 1916, 1956, 2282, 2874, 2934, 3353, 3423, 4311, 4564, 5748, 5868, 6706, 6846, 8622, 10059, 10269, 13412, 13692, 17244, 20118, 20538, 30177, 40236, 41076, 60354, 78077, 120708, 156154, 234231, 312308, 468462, 546539, 702693, 936924, 1093078, 1405386, 1639617, 2186156, 2810772, 3279234, 4918851, 6558468, 9837702, 19675404]

約数ペア:

[(1, 19675404), (2, 9837702), (3, 6558468), (4, 4918851), (6, 3279234), (7, 2810772), (9, 2186156), (12, 1639617), (14, 1405386), (18, 1093078), (21, 936924), (28, 702693), (36, 546539), (42, 468462), (63, 312308), (84, 234231), (126, 156154), (163, 120708), (252, 78077), (326, 60354), (479, 41076), (489, 40236), (652, 30177), (958, 20538), (978, 20118), (1141, 17244), (1437, 13692), (1467, 13412), (1916, 10269), (1956, 10059), (2282, 8622), (2874, 6846), (2934, 6706), (3353, 5868), (3423, 5748), (4311, 4564)]